– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 3 pm Wed 11 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 3 pm Wed 11 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 13mm), heaviest on Fri afternoon. Very mild (max 14°C on Wed afternoon, min 7°C on Fri night). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 30mm), heaviest during Sun morning. Mild temperatures (max 8°C on Sat night, min 4°C on Mon night). Wind will be generally light. | ||||||||||||||||
Wed 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | |  |  |  | |  | |  | | | |  | |
cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | mod. rain | mod. rain | light rain | light rain | heavy rain | mod. rain | rain shwrs | mod. rain | rain shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 1800 | 5250 | 2600 | 4900 | 5750 | 2900 | 2250 | 500 | 600 | 550 | 550 | 550 | 550 | 550 | 600 | 650 | 800 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | 6 | 6 | 2 | 1.4 | 12 | 9 | 1.2 | 5 | 0.9 | 0.1 | 0.1 |
max °C | 14 | 13 | 14 | 14 | 14 | 14 | 9 | 8 | 7 | 7 | 8 | 7 | 7 | 6 | 6 | 6 | 6 |
min °C | 13 | 12 | 13 | 14 | 13 | 13 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 6 | 5 | 4 |
chill °C | 12 | 11 | 12 | 13 | 12 | 12 | 7 | 4 | 4 | 5 | 4 | 4 | 4 | 2 | 4 | 3 | 3 |
Freezing level m | 2700 | 2650 | 2550 | 2700 | 2900 | 2450 | 2050 | 1850 | 1550 | 1700 | 1900 | 1700 | 1450 | 1350 | 1350 | 1400 | 1350 |
 | — | — | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — |
 | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — | — | 4:27 | — | — | 4:25 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 13mm), heaviest on Fri afternoon. Very mild (max 14°C on Wed afternoon, min 7°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 30mm), heaviest during Sun morning. Mild temperatures (max 8°C on Sat night, min 4°C on Mon night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.